18526-3141 PRO 217

 
 
18h 52m 32.38s -31 40' 34.7" P.A. 301 sep 4.5 mag 10.56,11.00
 
 
Coord 2000
18526-3141
Discov num
PRO 217
Comp
Coord arcsec 2000
18 52 32.38 -31 40 34.7
Date first
1910
Date last
2010
Obs
9
Pa first
315
Pa last
301
P.A. Now (θ)
301°
Sep first
4.2
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
10.56
Mag sec
11.00
delta mag (ΔM)
0.44
Spectral class
Pri motion ra
+018
Sec motion ra
-071
Pri motion dec
-030
Sec motion dec
+041
Notes
rPM=1.389
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.3
Precise sep
4.45
Constellation
Sagittarius
last precise pa
301.3
last precise sep
4.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18526-3141 PRO 217 1998 6 304 4.5 10.56 11.00 D 185232.38-314034.7
18526-3141 PRO 217 2001 8 304 4.6 10.56 11.00 D 185232.38-314034.7
18526-3141 PRO 217 2010 9 301 4.5 10.56 11.00 185232.38-314034.7

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